Thursday on the NewsHour, Israel's military pushes deeper into Gaza as negotiations for humanitarian pauses and hostage releases become increasingly urgent. Then, Republican presidential hopefuls make their case to voters in the latest debate, but remain far behind the absent frontrunner, Donald Trump. Plus, Senate Democrats seek to expand their probe into ethics concerns on the Supreme Court. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders